This manual page describes the configuration of the simple access-control provider for sssd(8). For a detailed syntax reference, refer to the "FILE FORMAT" section of the sssd.conf(5) manual page.
The simple access provider grants or denies access based on an access or deny list of user names. Here to following rules apply:
This setting supersedes the simple_deny_users list (which would be redundant).
Refer to the section "DOMAIN SECTIONS" of the sssd.conf(5) manual page for details on the configuration of an SSSD domain.
Please note that it is an configuration error if both, simple_allow_users and simple_deny_users, are defined.
The following example assumes that SSSD is correctly configured and example.com is one of the domains in the [sssd] section. This examples shows only the simple access provider-specific options.
[domain/example.com] access_provider = simple simple_allow_users = user1, user2
The SSSD upstream - http://fedorahosted.org/sssd